Improving the Tribological Properties of Gear Synchronizations by Adjusting the Metalworking Fluid Composition of the Grinding Process
Abstract
:1. Introduction
2. Experimental Set-Up
3. Results and Discussion
3.1. Variation of the Polysulfide (PS) Concentration
3.2. Variation of the Zincdialkyldithiophosphate (ZnDTP) Concentration
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Parameter | Value |
---|---|
External Cylindrical Plunge Grinding | |
Grinding wheel circumferential speed vc | 35 m/s |
Workpiece circumferential speed vw | 17.5 m/min |
Depth of cut ae | 0.03 mm |
Feed per revolution f | 0.001 mm/U |
Specific material removal rate Q’w | 0.29 mm2/s |
Dressing with Single-Point Dresser | |
Overlapping rate in dressing Ud | 8 |
Depth of dressing cut aed | 0.02 µm |
No. | 1 | 2 | 3 | 4 | 5 |
---|---|---|---|---|---|
PAO (%) | 100 | 95 | 90 | 95 | 90 |
PS (%) | - | 5 | 10 | - | - |
ZnDTP (%) | - | - | - | 5 | 10 |
Parameter | Value |
---|---|
Steel synchronizer cone | 1.7139/16MnCrs5 |
Brass synchronizer ring | 2.0550/CW713R |
Circumferential speed before gear shift vrel | 3.3 m/s |
Number of revolutions before gear shift n | 1000 min−1 |
Axial force Fax | 500 N |
Total shifts | 7000 |
Cycle time ts | 3 s |
Transmission oil | 100% PAO |
Transmission oil temperature Tl | 80 °C |
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Seidel, B.; Wagner, A.; Brinksmeier, E. Improving the Tribological Properties of Gear Synchronizations by Adjusting the Metalworking Fluid Composition of the Grinding Process. J. Manuf. Mater. Process. 2017, 1, 4. https://doi.org/10.3390/jmmp1010004
Seidel B, Wagner A, Brinksmeier E. Improving the Tribological Properties of Gear Synchronizations by Adjusting the Metalworking Fluid Composition of the Grinding Process. Journal of Manufacturing and Materials Processing. 2017; 1(1):4. https://doi.org/10.3390/jmmp1010004
Chicago/Turabian StyleSeidel, Benedikt, André Wagner, and Ekkard Brinksmeier. 2017. "Improving the Tribological Properties of Gear Synchronizations by Adjusting the Metalworking Fluid Composition of the Grinding Process" Journal of Manufacturing and Materials Processing 1, no. 1: 4. https://doi.org/10.3390/jmmp1010004